#define _CRT_SECURE_NO_WARNINGS 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
	ios::syc_with_stdio(false); cin.tie(0); cout.tie(0);

	return 0;
}

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
	ios::syc_with_stdio(false); cin.tie(0); cout.tie(0);

	return 0;
}